No exploitation reportedFix available

CVE-2022-46144

Q: Is CVE-2022-46144 actively exploited?

Active exploitation of CVE-2022-46144 has not been confirmed. Its EPSS score was 0.9% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-46144?

CVE-2022-46144 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

No exploitation reported by the sources we read.

Published2022-12-13
Fixed in3.0 · 2.3
WeaknessCWE-664

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability has been identified in SCALANCE SC622-2C (6GK5622-2GS00-2AC2) (All versions < V2.3), SCALANCE SC622-2C (6GK5622-2GS00-2AC2) (All versions >= V2.3 < V3.0), SCALANCE SC626-2C (6GK5626-2GS00-2AC2) (All versions < V2.3), SCALANCE SC626-2C (6GK5626-2GS00-2AC2) (All versions >= V2.3 < V3.0), SCALANCE SC632-2C (6GK5632-2GS00-2AC2) (All versions < V2.3), SCALANCE SC632-2C (6GK5632-2GS00-2AC2) (All versions >= V2.3 < V3.0), SCALANCE SC636-2C (6GK5636-2GS00-2AC2) (All versions < V2.3), SCALANCE SC636-2C (6GK5636-2GS00-2AC2) (All versions >= V2.3 < V3.0), SCALANCE SC642-2C (6GK5642-2GS00-2AC2) (All versions < V2.3), SCALANCE SC642-2C (6GK5642-2GS00-2AC2) (All versions >= V2.3 < V3.0), SCALANCE SC646-2C (6GK5646-2GS00-2AC2) (All versions < V2.3), SCALANCE SC646-2C (6GK5646-2GS00-2AC2) (All versions >= V2.3 < V3.0), SCALANCE WAM763-1 (6GK5763-1AL00-7DA0) (All versions < V2.0.0), SCALANCE WAM766-1 (6GK5766-1GE00-7DA0) (All versions < V2.0.0), SCALANCE WAM766-1 (US) (6GK5766-1GE00-7DB0) (All versions < V2.0.0), SCALANCE WAM766-1 EEC (6GK5766-1GE00-7TA0) (All versions < V2.0.0), SCALANCE WAM766-1 EEC (US) (6GK5766-1GE00-7TB0) (All versions < V2.0.0), SCALANCE WUM763-1 (6GK5763-1AL00-3AA0) (All versions < V2.0.0), SCALANCE WUM763-1 (6GK5763-1AL00-3DA0) (All versions < V2.0.0), SCALANCE WUM766-1 (6GK5766-1GE00-3DA0) (All versions < V2.0.0), SCALANCE WUM766-1 (USA) (6GK5766-1GE00-3DB0) (All versions < V2.0.0). Affected devices do not properly process CLI commands after a user forcefully quitted the SSH connection. This could allow an authenticated attacker to make the CLI via SSH or serial interface irresponsive.

Timeline

dates in UTC

2022-12-1316:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-46144?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-46144?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Siemens 6gk5622-2gs00-2ac2 firmwareversion to verify

Branch	Affected	Fixed in	Source
3.0	≥ 2.3, < 3.0	3.0	NVD
2.3	< 2.3	2.3	NVD

Siemens 6gk5626-2gs00-2ac2 firmwareversion to verify

Branch	Affected	Fixed in	Source
3.0	≥ 2.3, < 3.0	3.0	NVD
2.3	< 2.3	2.3	NVD

Siemens 6gk5632-2gs00-2ac2 firmwareversion to verify

Branch	Affected	Fixed in	Source
3.0	≥ 2.3, < 3.0	3.0	NVD
2.3	< 2.3	2.3	NVD

3 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-22-349-04 CISA15 known affected
Siemens SCALANCE Products
SCALANCE SC622-2C (6GK5622-2GS00-2AC2) · SCALANCE SC626-2C (6GK5626-2GS00-2AC2) · SCALANCE SC632-2C (6GK5632-2GS00-2AC2) · +12 more

Full record on NVD

Fix

Update Siemens 6gk5622-2gs00-2ac2 firmware to 3.0 · 2.3
Vendor fix CISA ICSA-22-349-04 · 9 productsUpdate to V2.0.0 or later version
Vendor fix CISA ICSA-22-349-04 · 6 productsUpdate to V2.3 or later version
Vendor fix CISA ICSA-22-349-04 · 6 productsUpdate to V3.0 or later version

Advisories and patches

cert-portal.siemens.comPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-04-18
OpenCVESSVC decisionnone—
CNACVSS 4.07.1read 2026-10-23
CNACVSS 3.16.5read 2026-10-23
NVDCVSS 3.16.5read 2026-10-23
CNAweakness (CWE)CWE-664read 2026-10-23
FIRST EPSSEPSS score0.9 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 4.0 vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published: 2022-12-13
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-46144?

Is CVE-2022-46144 actively exploited?

Active exploitation of CVE-2022-46144 has not been confirmed. Its EPSS score was 0.9% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-46144?

CVE-2022-46144 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

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